12 terms

# ch 6 vocab

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principal root
The nonnegative square root of a number.
The number or expression inside a radical symbol
index
a number or ratio (a value on a scale of measurement) derived from a series of observed facts
simplest form
A fraction that has only 1 has a common fractor of the numerator and denominator.
rationalize the denominator
when an expression is rewritten so that there are no radicals in any denominator and no denominators in any radicals